to take responsibility or action when needed
必要なときに責任を持ったり行動したりすること (hitsuyou na toki ni sekinin wo mottari koudou shitari suru koto)
"When the manager was away, she stepped up to lead the team."
"マネージャーがいなかったとき、彼女はチームをリードするために自ら進んで行動しました。" (Manejā ga inakatta toki, kanojo wa chīmu wo rīdo suru tame ni mizukara susunde koudou shimashita.)
to make someone feel happier
To have unrealistic or impractical plans or dreams.
unauthorized access to confidential information
to be so surprised that you cannot speak
to talk to someone for a long time, usually to complain
learning by experimenting and correcting mistakes